Analysis
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max time kernel
133s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 17:59
Behavioral task
behavioral1
Sample
8ebec29e06e3ef4e90e4d5454138ea52c9ccd85c9ce8c5d3de47f390ec4467e5.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8ebec29e06e3ef4e90e4d5454138ea52c9ccd85c9ce8c5d3de47f390ec4467e5.xls
Resource
win10v2004-20241007-en
General
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Target
8ebec29e06e3ef4e90e4d5454138ea52c9ccd85c9ce8c5d3de47f390ec4467e5.xls
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Size
95KB
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MD5
8a592f259f43b647d21761b7b33bc1bb
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SHA1
df8fd592d1862d877f0837266749d6e323825d7e
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SHA256
8ebec29e06e3ef4e90e4d5454138ea52c9ccd85c9ce8c5d3de47f390ec4467e5
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SHA512
ef7091d054220b89079039469ff61e5a46b68e90b9a58127af84761610707b64efa9a12c648e56ba1355f5b337eff8c75b6002952ad527b6381d3a52673c5d88
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SSDEEP
1536:UkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgNHuS4hcTO97v7UYdEJm2:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg/
Malware Config
Extracted
https://fikti.bem.gunadarma.ac.id/SDM/YH8OJ1Zz8miBX/
http://ebuysa.co.za/yt-assets/yZ30/
http://3dstudioa.com.br/files/1ubPAB/
http://boardmart.co.za/images/DvMHPbTLn/
Signatures
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Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1432 3048 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2012 3048 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1372 3048 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3904 3048 regsvr32.exe 82 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3048 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3048 EXCEL.EXE 3048 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3048 wrote to memory of 1432 3048 EXCEL.EXE 91 PID 3048 wrote to memory of 1432 3048 EXCEL.EXE 91 PID 3048 wrote to memory of 2012 3048 EXCEL.EXE 94 PID 3048 wrote to memory of 2012 3048 EXCEL.EXE 94 PID 3048 wrote to memory of 1372 3048 EXCEL.EXE 102 PID 3048 wrote to memory of 1372 3048 EXCEL.EXE 102 PID 3048 wrote to memory of 3904 3048 EXCEL.EXE 103 PID 3048 wrote to memory of 3904 3048 EXCEL.EXE 103
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8ebec29e06e3ef4e90e4d5454138ea52c9ccd85c9ce8c5d3de47f390ec4467e5.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
PID:1432
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
PID:2012
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
PID:1372
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
PID:3904
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD536f7380d0750b6178383676ad3465f6e
SHA1c5fcb5d832facbf3d6968dc0543001cff2881819
SHA256be15db9ef8f2e397a9096f1e5d3f14a4b56bcc72cc3f8e985ee8b4a6f415d46e
SHA512b4bf4ce6468df33db2c5991b0ee85248f8c250c4d0521460090b52966a5fa87bc85cd5bc6e3cfc72d0bdabaf9b4c5f2195aa91c2b5bc3d666f6c64fb0d10b29b